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Sam and Tom are brothers. They are from America, but now they’re in Shanghai. Today is their birthday. We can see a big cake on the table. There’re a lot of presents on the table, too. Where are the children? They are playing in the garden. Wang Ying is behind the tree. Tom is looking for her. Li Lei is running after Liu Tao. Beibei is playing ball games with Sam. All of the children are having a good time.
1．Tom and Sam are brothers.2．There are lots of presents and two cakes on the table.
3．The children are playing in the garden.
4．Tom is looking for Wang Bing.
5．Sam and Tom are having a good time.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
